{"id":"CVE-2026-110606","revision":null,"records":[{"revision":"6d21dc1b543f45adbda72385b8d5142b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110606","aliases":[],"title":"LibreCAD libdxfrw through LC2.2.0 Stack Out-of-Bounds Read via dwgReader18::readFileHeader","description":"LibreCAD libdxfrw through LC2.2.0 (LibreCAD through 2.2.1.5) contains a stack-based out-of-bounds read vulnerability in dwgReader18::readFileHeader() caused by calling strlen on non-NUL-terminated buffers. Attackers can supply a crafted AC1018, AC1024 or AC1027 DWG file without NUL bytes in the decrypted header to read adjacent stack memory and crash the process.","state":0,"publishedAt":"2026-10-14T14:16:46.382+00:00","modifiedAt":"2026-10-20T01:07:40.851+00:00","affected":[{"ecosystem":"https://github.com/LibreCAD/libdxfrw","name":"libdxfrw","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"LibreCAD\",\n                    \"product\": \"libdxfrw\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"LC2.2.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/LibreCAD/libdxfrw\",\n                    \"packageURL\": \"pkg:github/LibreCAD/libdxfrw\",\n                    \"repo\": \"https://github.com/LibreCAD/libdxfrw\"\n                }"},{"ecosystem":"Vendor product","name":"LibreCAD","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"LibreCAD\",\n                    \"product\": \"LibreCAD\",\n                    \"packageURL\": \"pkg:github/LibreCAD/LibreCAD\",\n                    \"repo\": \"https://github.com/LibreCAD/LibreCAD\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"2.2.1.5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":4.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","score":3.3,"severity":"LOW"}],"references":["https://github.com/LibreCAD/LibreCAD/issues/2554","https://hackmd.io/@haind-pwn/libdxfrw-dwg-header-oob-read","https://github.com/LibreCAD/libdxfrw/blob/LC2.2.0/src/intern/dwgreader18.cpp#L248","https://github.com/LibreCAD/LibreCAD/blob/v2.2.1.5/libraries/libdxfrw/src/intern/dwgreader18.cpp#L248","https://github.com/LibreCAD/libdxfrw/commit/0c5595930b20917a40ed7c188475eaca624b8ce9","https://github.com/LibreCAD/LibreCAD/commit/abd1f4a8e32dbd871c986086227502217200cd4b","https://www.vulncheck.com/advisories/librecad-libdxfrw-through-lc2-2.0-stack-out-of-bounds-read-via-dwgreader18-readfileheader"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110606","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110606","identifiers":["CVE-2026-110606"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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